waitrose or ocado
Iodised salt is recommended to avoid idiocy.See this link: http://en.wikipedia.org/wiki/Iodised_salt.
The healthier salt is iodised; but the sea salt can be also iodised.
Iodised salt (sodium chloride) contain iodine (as potassium/sodium iodide or potassium/sodium iodate). The concentration of iodine is 20 +/- 5 mg/kg. Iodised salt is recommended to avoid idiocy.
Iodised table salt contain sodium chloride, potassium iodide (or iodate) and anticaking substances.
Thankfully it is now very easy to get non-iodised salt at local grocery chains. Brands like Kroger, Harveys, and Publix all have store brand non-iodised salt. Lawreys and Morton also sell a non-iodised salt on their website.
It's called iodised salt when a little bit of iodine has been added to it. Iodine is good for your thyroid gland, that's why.
See the following link: http://www.sspindia.com/salt-processing-plant.html#iodised-salt-processing-plant.
KFC use fine iodised sodium chloride.
To regulate the function of thyroid gland
It is iodised so it flows easier and does not stick in clumps